S Line

S Line

S Line

"Social. Sex. Secrets."

★ 7.5 /10

• 2025 • 1 Season • 6 Episodes • Ended

Sci-Fi & Fantasy Drama Mystery

Overview

A young woman with the ability to see mysterious red connections between lovers discovers her secret gift is no longer unique when special glasses granting similar powers appear on the black market.

Crew

Ahn Joo-Young, Kkomabi

Seasons

Season 1

Season 1

6 Episodes

2025

Han Ji-Wook is a detective looking to know what is the truth behind the mysterious red line. Gyu-jin, a funny high school teacher. Hyeon-heup, a high schooler who has been able observe the red line from birth. The show will present the story of a cryptic red line that appears over head of the people in the show, connecting them to people with whom who have had sexual relations with them.

Trailer

Cast

Lee Soo-hyuk

Lee Soo-hyuk

Han Ji-wook

ARIN

ARIN

Shin Hyeon-heup

Lee Da-hee

Lee Da-hee

Lee Gyu-jin

Lee Eun-saem

Lee Eun-saem

Kang Seon-ah

Kim Dong-young

Kim Dong-young

Oh Dong-sik

Lee Gwang-hee

Lee Gwang-hee

Joon-seon

Lee Han-joo

Lee Han-joo

Yoon Ji-na

Woo Ji-hyun

Woo Ji-hyun

Jung-woo

Nam Kyu-hee

Nam Kyu-hee

Kim Hye-yeong

Oh Woo-ri

Oh Woo-ri

Lee Kyung-jin

Oh Seung-jun

Oh Seung-jun

Lee Ji-won

Kim So-young

Kim So-young

Choi I-seo